Relating structure and composition with accessibility of a single catalyst particle using correlative 3-dimensional micro-spectroscopy

Y Liu, F Meirer, CM Krest, S Webb… - Nature …, 2016 - nature.com
To understand how hierarchically structured functional materials operate, analytical tools are
needed that can reveal small structural and chemical details in large sample volumes. Often …

Formation of three-dimensional bicontinuous structures via molten salt dealloying studied in real-time by in situ synchrotron X-ray nano-tomography

X Liu, A Ronne, LC Yu, Y Liu, M Ge, CH Lin… - Nature …, 2021 - nature.com
Three-dimensional bicontinuous porous materials formed by dealloying contribute
significantly to various applications including catalysis, sensor development and energy …

Application of Synchrotron Radiation to in situ Characterization of Catalysts

T Shido, R Prins - Current Opinion in Solid State and Materials Science, 1998 - Elsevier
X-ray absorption spectroscopy is becoming powerful enough for in situ characterization of
catalyst owing to the development of the time-resolved technique, surface sensitive …

Image analysis of x-ray microtomograms of Pd–Ag/SiO2 xerogel catalysts supported on Al2O3 foams

S Blacher, A Léonard, B Heinrichs… - Colloids and Surfaces A …, 2004 - Elsevier
In order to preshape and mechanically strengthen, Pd–Ag/SiO2 xerogel catalysts were
carried out in Al2O3 foams (pore-sizes∼ 40μm). The final material consists of a Pd–Ag/SiO2 …

Deciphering the local environment of single-atom catalysts with X-ray absorption spectroscopy

Y Li, AI Frenkel - Accounts of Chemical Research, 2021 - ACS Publications
Conspectus To improve the reactivity of catalysts, two goals that are perhaps the most
obvious but at the same time the most elusive ones are (1) to increase the number of active …

In Situ TEM Study of the Genesis of Supported Nickel Catalysts

SJ Turner, DFL Wezendonk… - The Journal of …, 2023 - ACS Publications
In situ transmission electron microscopy is a powerful technique with the unique ability to
temporally and spatially resolve nanoscale processes. This can be leveraged in order to …

Nanoscale chemical imaging of a working catalyst by scanning transmission X-ray microscopy

E de Smit, I Swart, JF Creemer, GH Hoveling, MK Gilles… - Nature, 2008 - nature.com
The modern chemical industry uses heterogeneous catalysts in almost every production
process. They commonly consist of nanometre-size active components (typically metals or …

Recent progress in the use of in situ X-ray methods for the study of heterogeneous catalysts in packed-bed capillary reactors

SDM Jacques, O Leynaud, D Strusevich, P Stukas… - Catalysis Today, 2009 - Elsevier
Synchrotron-based X-ray techniques, such as Diffraction and Absorption Spectroscopy
(XAS), can be readily employed to study catalysts in action, thereby offering great potential …

Nanoscale chemical imaging of an individual catalyst particle with soft X-ray ptychography

AM Wise, JN Weker, S Kalirai, M Farmand… - ACS …, 2016 - ACS Publications
Understanding Fe deposition in fluid catalytic cracking (FCC) catalysis is critical for the
mitigation of catalyst degradation. Here we employ soft X-ray ptychography to determine at …

Hard X‐ray Nanotomography of Catalytic Solids at Work

ID Gonzalez‐Jimenez, K Cats, T Davidian… - Angewandte …, 2012 - Wiley Online Library
Advances in microscopy such as a spatial resolution in the nanometer range combined with
higher chemical and morphological sensitivities have improved the imaging of functional …